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Gulf Stream

#81B1B1

Gulf Stream is a cool light color with the hex code #81B1B1. This muted hue can be represented as RGB 129, 177, 177 in digital design or CMYK 27%, 0%, 0%, 31% for print applications. Find matching Pantone color.

Gulf Stream color values

HEX
#81B1B1
RGB
129, 177, 177
HSL
180°, 24%, 60%
CMYK
27, 0, 0, 31

About this color

Gulf Stream sits at 180° on the color wheel with 24% saturation and 60% lightness, placing it in the cyan segment of the spectrum. Its restrained 24% saturation keeps the hue subtle — present but not assertive, making it easy to layer over or under more expressive colors. At medium-high lightness, it holds its own on white backgrounds while remaining approachable.

In digital environments, Gulf Stream is rendered as rgb(129, 177, 177), where the green channel leads at 177, with red and blue channels close behind. Muted saturation at high lightness is a classic formula for soft background fills, placeholder states, and secondary surface colors in light-mode interfaces.

For print, Gulf Stream translates to a CMYK breakdown of 27C 0M 0Y 31K. With a moderate key (31%), this color uses black to deepen the chromatic channels rather than replace them, a profile that typically holds up well in both offset and digital print. No brands in the brandkit.pro library currently specify this exact hex as a named brand color.

How to use Gulf Stream

CSS Variable

:root {
  --brand-primary: #81B1B1;
  --brand-primary-rgb: 129, 177, 177;
}

Define as a CSS custom property for consistent theming across your site.

Tailwind Config

colors: {
  brand: '#81B1B1',
}

Add to your Tailwind config to use classes like bg-brand.

Print Design (CMYK)

C: 27%
M: 0%
Y: 0%
K: 31%

Use these CMYK values in Adobe Illustrator, InDesign, or print specifications.

RGB for Screens

rgb(129, 177, 177)
rgba(129, 177, 177, 0.8)

Use RGB notation for compatibility or add alpha channel for transparency.

Frequently asked questions

What color is #81B1B1?
#81B1B1 is Gulf Stream, a cool light color with RGB values of 129, 177, 177. It has a hue of 180°, 24% saturation, and 60% lightness in the HSL color space.
What is the RGB value of #81B1B1?
The RGB color code for #81B1B1 is rgb(129, 177, 177). This means it contains 129 red, 177 green, and 177 blue in the RGB color model.
Is Gulf Stream a warm or cool color?
Gulf Stream (#81B1B1) is a cool color with a hue between 120-300° on the color wheel.
How do I use #81B1B1 in CSS?
You can use #81B1B1 in CSS with: background-color: #81B1B1; or color: #81B1B1; or as an RGB value: rgb(129, 177, 177). For print design, use CMYK: 27%, 0%, 0%, 31%.